package com.xyz.springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author 肖咉卓
 */
@RestController
@Slf4j
public class FlowLimitController {
    @GetMapping("/testA")
    public String testA() {
        //try { Thread.sleep(1200); } catch (InterruptedException e) { e.printStackTrace(); }
        return "------testA";
    }

    @GetMapping("/testB")
    public String testB() {
        log.info(Thread.currentThread().getName()+"\t testB");
        return "------testB";
    }
    @GetMapping("/testD")
    public String testD() {
        //try { Thread.sleep(1200); } catch (InterruptedException e) { e.printStackTrace(); }
        //log.info("testD 测试慢调用比例");

        log.info("testD 异常比列");
        int age = 10/0;
        return "------testD";
    }

    /**
     * 热点限流
     * @param p1 作为限流key
     * @param p2
     * @return
     */
    @GetMapping("/testHotKey")
    @SentinelResource(
            //名称唯一，随便什么都可以，一般填路径不要斜杆
            value ="testHotKey" ,
            //设置兜底方法
            blockHandler = "deal_testHotKey"
    )
    public String testHotKey(@RequestParam(value = "p1",required = false)String p1,
                             @RequestParam(value = "p2",required = false)String p2){
        return "-------testHotKey";
    }

    public String deal_testHotKey(String p1, String p2, BlockException exception){
        return "兜底方法，deal_testHotKey";
    }
}
